Scosche CAUXMICB4-SP Audio Cable with Mic USB-C to 3.5 mm Braided Cable with Mic. This braided audio cable lets you easily connect a USB-C phone or tablet to a vehicle's stereo Aux input. A built-in microphone allows you to make hands-free phone calls. It has a built-in Digital-to-Analog (DAC) converter that will ensure your calls are crisp and clear and provide you with high-resolution music quality. A multi-function button will give you the ability to answer or disconnect calls easily.